Adjusting device for cultivators



(No Model.)

H. H. BURR & H. D. BABGOCK. ADJUSTING. DEVICE PoR GULTIVATORS.

No. 479,754. Patented July 26, 1892.

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UNITED STATES PATENT OFFICE.

HENRY H. DURR, OF UTICA, AND HENRY D. BABCOCK, OF LEONARDSVILLE,ASSIGNORS, BY DIRECT AND MESNE ASSIGNMENTS, TO SAID BABCOCK, AND OHAS.II. CHILDS t OO., OF UTIOA, NEW YORK.

ADJUSTING DEVICE FOR CULTIVATORS.

SPECIFICATION forming part of Letters Patent No. 479,754, dated July 26,1892.

Application led February 15 1892. Serial No. 421,646. (No model.)

To all whom, it may concern,.- bracket 7. The free or swinging end ofthe Be it known that we, HENRY H. DURR, of arm 9 is pivotally connectedat l2 to link 13, 5o

Utica, Oneida county, and HENRY D. BAB- which in turn is pivoted at itsouter end at 14 COCK, of Leonardsville, in the county of to theadjustable outer beam 3 of the culti- 5 Madison, State of New York, haveinvented vator. The ends of thelink l3 are preferably certain new anduseful Improvements in Adforked where they are connected with the armjusting Devices for Cultivators; and we do 9 and outer frame-bars toprovide against 55 hereby declare that the following is a full, verticaldisplacement. On the lever is proclear, and exactdescription of theinvention, vided a movable spring-actuating catch l5,

I which will enable others skilled in the art to adapted to engage withcircular rack l6,which which it appertains to make and use the same, Yis secured upon or forms a portion of bracket reference being had to theaccompanying 7. The catch l is operated by a bell-crank 6o drawings, andto the Iigures of reference handle 17 on the outer end of the lever 5,to markedthereomwhich form part ot' this speciwhich it is connected by aconnection 1S.

I5 cation. The operation of the device is very simple Ourinventionrelates to an adjusting device and is as follows: The bell-crank handle17 for cultivators. being operated to disengage catch from 65 In thedrawings which accompany and form rack 16, the operator then moves thelever 5 part of this specification, and in which simito or from him ashe stands at the handles 4 zo lar figures of reference refer tocorrespondand adjusts the cultivator in width according parts in theseveral fguresing to the direction in which he moves the Figure l showsin perspective a cnltivator handle 5. As the handle is brought toward 7ohaving our improvements applied. Fig. 2 the operator as he stands at thehandle 4, the

shows the improvements in detail from the cultivator is widened, and asthe handle is side. Fig. 3 shows the end of the adjustingmoved from theoperator it is narrowed by lever and segmental gears in which itengages. the action of the arm 9 and link 13, together Fig. 4 shows theadjusting devices from the with the gear-sectors mounted on the base of75 front. Fig. 5 shows a plan View of the workthe arm and thegear-sector mounted on the ing parts in open or extended position. Fig.lower end of the lever.

3o 6 shows the same in another position. Fig. 7 It is evident that'thedevice may be varied shows a plan View of the plate on which the inseveral particulars without departing from adjusting devices aremounted, together with the equivalents of our construction. 8o thesecuring-rack. What we claim as new, and desire to secure Referringmorespecically to thereferenceby Letters Patent, is

numerals marked on the drawings in a more l. The combination, inacultivator, of midspecic description ofthe device, l indicates dle andadjustable side beams, segmental the eultivator provided, as usual, witha center gears l 0 l0, having arms 9 9, respectively, and 85 beam 2 andouter beams 3 3, the outer beams pivoted on bracket 7, secured to themiddle being adjustable. To the center beam 2 is beam, links 13 13,connecting the swinging attached the handles 4; also, mounted on theends of the arms with the adjustable side center beam are the adjustingdevices, which beams, a double-faced segmental gear 8, pivconsist of alever-handle 5, pivoted at G to a oted on bracket 7 and having`lever-handle 9o plate or bracket 7, secured on the center beam 5', acatch on the lever, and a semicireular 2. Onv the lower end of the lever5is provided rack 16 on the bracket 7, adapted to be ena two-facedbeveled segmental gear S, which gaged by the catch, substantially as setforth. is adapted to engage by its respective faces 2. In an adjustingdevice for a cultivator, to adjusting-arms 9, provided with segmentalthe combination of a pair of swinging arms bevel-faced gears l0 andpivoted at ll to the pivotally connected with a beam of the cultivaterand lying in the same plane with the adapted to be engaged by the catch,substanxo beams, each arm provided with a segmental tially as set forth.

gear concentric with the pivotal point thereof, In witness whereof Wehave afxed our siglinks connecting the swinging ends of the natures inpresence of two Witnesses.

5 arms with the adjustable beams of the cultic HENRY H. DURR.

vator, a vertical pivoted segmental gear mesh- HENRY D. BABCOCK. ingwith the two gears of the arms, an oper- Witnesses: ating-leverconnecting with the vertical piv- M. E. ROBINSON,

oted sector, a catch on the lever, and a rack H. W. BOOTH.

